Home / 104,103.16-156,131.43-47,889.34

Finding the Fourth Proportional to 104,103.16, 156,131.43 and 47,889.34

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Solution

The fourth proportional to 104,103.16, 156,131.43 and 47,889.34 is: 71,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,103.16 : 156,131.43 = 47,889.34 : x
  2. Step 2: Convert to fraction form
    104,103.16/156,131.43 = 47,889.34/x
  3. Step 3: Cross multiply
    104,103.16x = 156,131.43 × 47,889.34
  4. Step 4: Simplify right side
    104,103.16x = 7,477,031,135.96
  5. Step 5: Solve for x
    x = 7,477,031,135.96/104,103.16
  6. Step 6: Final answer
    x = 71,823.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.